CONSTANT FLOW VALVE CAPABLE OF PRECISELY IMPLEMENTING A CONSTANT FLOW CONTROL FUNCTION

摘要

PURPOSE: A constant flow valve is provided to improve the assembly of products and to reduce production costs by reducing a number of components and man-hour.;CONSTITUTION: A constant flow valve(100) comprises housing, a valve seat(121), an upper stem(131), an upper port(132), a lower stem(141), a lower port(142), a diaphragm(150), and a supply hole(122). The housing forms a fluid passing chamber(S1) and a lower chamber(S2). The valve seat is formed in the fluid passing chamber. The upper stem is arranged in a housing cover(112) to be lifted. The upper port is coupled to the bottom of the upper stem to control the upper opening of a fluid passing hole(121a) according to the lifting of the upper stem. The lower stem is arranged in the lower part of the housing to be lifted. The lower port is coupled to the top of the lower stem to control the lower opening of the fluid passing hole according to the lifting of the lower stem.;COPYRIGHT KIPO 2013